1987 Ford Sierra vs. 1998 Pontiac Firebird
To start off, 1998 Pontiac Firebird is newer by 11 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 3,352 cc (6 cylinders), 1998 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1998 Pontiac Firebird (146 HP @ 4600 RPM) has 33 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 1998 Pontiac Firebird should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Pontiac Firebird weights approximately 438 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1998 Pontiac Firebird (257 Nm @ 3150 RPM) has 77 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1998 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 1998 Pontiac Firebird | |
| Make | Ford | Pontiac |
| Model | Sierra | Firebird |
| Year Released | 1987 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 3352 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 146 HP |
| Engine RPM | 5300 RPM | 4600 RPM |
| Torque | 180 Nm | 257 Nm |
| Torque RPM | 3000 RPM | 3150 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1090 kg | 1528 kg |
| Vehicle Length | 4400 mm | 4920 mm |
| Vehicle Width | 1680 mm | 1900 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 2620 mm | 2570 mm |
